Engineered to exact OEM specifications, featuring safety integrity levels designed to mitigate high-risk industrial environments.
Decoding engineering benchmarks, regulatory changes, and OEM manufacturing excellence.
Designed to shut down gas flow instantaneously under electrical loss or overpressure conditions. Integrated with certified SIL-2 electronics.
Fully compliant with global Ex d IIC T6 Gb certifications, guaranteeing safe operations in explosive atmospheres and zone 1 & 2 hazards.
Supports Modbus, LoRaWAN, and NB-IoT protocols for real-time monitoring of valve status, coil integrity, and line pressures.
Modern industrial processing plants, urban gas distribution infrastructures, and chemical manufacturing corridors operate under high thermodynamic pressures. In these critical environments, the 1 Safety Valve (Primary Emergency Shut-off Valve) serves as the definitive mechanical boundary between safe operation and catastrophic system failure. Historically, safety valves were passive mechanical structures relying strictly on physical spring force tension. However, the digital transformation of process industries has led to the development of pilot-operated, electronically triggered, and wireless gas solenoid valves.
As a leading OEM factory and developer, we incorporate advanced electromagnetic actuation technology into our Normally Open (NO) and Normally Closed (NC) solenoid loops. Our safety valves feature structural improvements including forged alloy steel bodies, high-corrosion-resistant FKM/HNBR seal elements, and high-performance coils insulated to Class H standards. These technologies ensure structural integrity and eliminate the risk of micro-leakages during high-frequency cycles.
SEO Insight & Information Gain: When sourcing OEM Category 1 Safety Valves, procurement teams evaluate Safety Integrity Levels (SIL 2/3), flow coefficients (Cv), and explosive gas grouping protection. Purely price-driven sourcing is transitioning to value-driven selection processes governed by lifecycle assessment and environmental compatibility.
Future Ready Engineering from Xinhaosi
Founded in 2003, Xinhaosi has established itself as an influential and reliable brand in the gas safety industry. We provide customer-focused products and services designed to safeguard the safe operation of industrial factories, urban networks, and homes worldwide. Powered by cutting‑edge production systems and technology, we deliver advanced, intuitive, and precise gas safety solutions for shaping a safer world.
Through our comprehensive electronic detection systems, we utilize infrared and catalytic combustion sensor technologies to detect gas leaks before they escalate. Our product ecosystem acts as a cohesive safety barrier, seamlessly linking combustible gas detectors, flame sensors, status controllers, and rapid-shutoff safety valves.
More About UsEmpowered by technology. Full-chain integration. Comprehensive protection.
Detection Systems & Precision Sensing
Gas Monitoring & High-Sensitivity Detectors
Industrial & Domestic Source Protection
Smart Sensing & Infrastructure Monitoring
Engineering, Procurement, and Construction (EPC) contractors worldwide face increasing pressure to verify the origin, reliability, and certifications of flow control hardware. When sourcing a Category 1 Safety Valve, procurement teams prioritize several technical indicators:
Purchasing individual safety valves, flame detectors, and monitoring panels from different manufacturers can lead to communication protocols conflicts and integration issues. Modern smart facilities require unified, integrated solutions. Our design philosophy centers on end-to-end integration: gas detectors (such as the GTYQ-AT0601) sense atmospheric hazards and transmit signals to centralized controllers (like the JB-TB-AT2020DX), which immediately trigger safety solenoid valves (like the XF5III series) to isolate the gas supply.
Developing the next generation of smart safety valves for international markets.
Integrating micro-sensors directly within the solenoid housing to monitor coil temperature, operating voltage, and valve position, enabling predictive maintenance.
Developing valve bodies and sealing materials compatible with hydrogen-blended natural gas (up to 30% H2) and pure hydrogen networks.
Refining battery-powered and solar-assisted ultra-low consumption wireless solenoid valves for off-grid operations in midstream pipelines.
Collaborating with leading industrial safety partners worldwide.












The latest advancements in electronic gas safety detection technology.
Officially launching a Handheld Uncooled Infrared Gas Leak Detector, featuring dual-technology fusion, rapid response, and long-range non-contact detection for petrochemical, refrigeration, and natural gas facilities.
Read Article →
Attending the Western China Cross-Border E-Commerce Expo in Chengdu to collaborate with global buyers, platforms, and supply chain enterprises to expand our overseas footprint.
Read Article →
Participating in the Sichuan-Indonesia Industry Matchmaking Conference to strengthen manufacturing partnerships and drive regional gas distribution projects across Southeast Asia.
Read Article →Detailed responses to common questions from procurement engineers and safety coordinators.
A Category 1 safety valve, or primary safety valve, serves as the main isolation mechanism in pipeline infrastructures. It operates as a high-integrity shut-off valve, designed to isolate medium flow within milliseconds of detecting anomalies. These valves are engineered to strict safety standards (including SIL 2 or SIL 3) to ensure reliable operation under high pressures, temperature extremes, and demanding environmental conditions.
Xinhaosi establishes industry authority through decades of manufacturing experience, strict quality control systems, and internationally recognized certifications, including ATEX, IECEx, and ISO 9001. We maintain complete material traceability, from raw foundry processing to final assembly testing. Additionally, our R&D team includes industry-certified engineering specialists who actively contribute to advancements in explosive gas detection and flow-control standards.
Yes. Our latest generation of industrial solenoid valves (including the XF5III and XF3III series) is designed with sealing materials and alloys that resist hydrogen embrittlement. They are certified for operation in gas networks carrying natural gas-hydrogen blends, providing reliable safety performance for transition fuel infrastructures.
Lead times vary based on design complexity, pressure ratings, and certification requirements. Standard customized production runs typically take 4 to 6 weeks, which includes casting, machining, coil winding, assembly, and pressure testing. For complex, custom-engineered products requiring direct certification audits (e.g., ATEX, special fire-safe testing), lead times can range from 8 to 12 weeks.
Our wireless safety systems utilize low-power wide-area network (LPWAN) protocols, including LoRaWAN and NB-IoT. The integrated controller monitors system health, sending periodic status updates and real-time alerts. In emergencies, the wireless receiver module triggers the solenoid actuator, rapidly shutting down the valve using stored electrical energy.
Explore our range of detectors, system controllers, and high-performance safety interfaces.